Improvement in paper-cutting and folding-machines



oYEUs CHAMBERS,I Jn., or PHILADELPHIA, PENNSYLVANIA.

Letters Patent No. 113,

256, dated Aprn 4, 1871.V

IMPROVEMENT lN PAPER-CUTTING AND FOLDING-MACHINES.

The Schedule referred to ln these. Letters Patent and making part of the same.

To all whom it may concern.-

Be it known thatI, OYRUs OHAMBEns, Jr., of Philadelphia, in the State of Pennsylvania, have invented certain new and useful Improvements in Machines for Folding, Cutting, and Packing Paper; and I do hereby declare the following to be afull and correct description of the same, reference being had to the accompanying drawing, in which- Figure 1 isa plan or top view of a machine embodying my improvement-s.

V Figure 2 is a side elevation of the same.

Figure 3 is an end elevation of the same.

Figure 4 is a horizontal central section through the Vfirst pair of rollers.

The same letter indicates the same part in the severalfigures. A

These improvements consist First, in securing the cutters that sever the inset from the main sheet permanently in the rollers, and adjusting those rollers endwise, for the purpose of regulating the position of the cutters.

Second, in vgiving two strokes to the` third foldingblade to one revolution of the main shaft, for'the purpose of folding the iuset7 and outset separately,

n and at equal intervals .of time from each other.

Third, in devices for folding and packing the inset and outset either separately, or with the inset placed within the outset, as may be desired.

In the accompanying drawing- A marks the frame of the machine.

B, the packing-trough. Y

C, D, and E, the plugers that operate in trough B.

F F', the first pair of rollers to which the cutters a b are attached. l

G G', the second pair of rollers.

H H', the reversing-or third pair of rollers.

K K', the fourth pair of rollers.

L, the second knife.

M,'the drop-roller.

N, the third knife with .its arm N.

P, the cam-shaft.

Q, cam.

R, cap.

S, stop. s

.T, winch.

U, worm-shaft.

W W', worm-wheels.

X, adjusting-screw of cap R.

a, the cutter on roller F.

V11,the cutter on roller F. .Y

o, the back brace of plunger C.

d, the back brace of `plunger I).

I e, lug ou'pluuger E, which projectsthrough a slot, s, in the inner side of trough B.

f, the shaft of roller F. f', the shaft of F. g, a spiral spring around shaft f. hh', boxes of rollers F F. c', set-screw for adjusting cap R. j, set-screw for adjusting roller F. p, slot in top of cap R. q, yoke embracing neck of roller F. t t', `nuts on. roller-shaftsff. u u, screws supporting stop S.

making theshorter ends ofthe rollers, sleeves, sliding over the shafts ff' of their' longer ends, and pressing the cutters between them by the operation of the n nts t tfon the shafts. This construction is clearly shown cutters are firmly held 'between the sections of the roller without the use of holes, and screws through them, as heretofore employed.

The cutters a b are kept in contact, vwhen desired, by the spiral spring g around the roller-shaft f', and

Vbearing against its box h'.

The roller-shafts f f are made with long j ouruals on them to slide through their boxes h h', and the rollers F F are held in position and adj usted by a yoke or finger,

q, projecting downward from the under side of the cap or shield R' into a groove in the roller F, tothe shaft of whichthe spring g, is not attached. This is clearly shown iuiig. 4.

The cap R slides in a" groove in box h., and is adjusted by the screw X, with a milled head, screwin into the side frame, andfixed by set-screw t.

center of the roller F', on whose shaft f the spring g is placed, is so arranged as to strike against the end of the shafton roller F', and, when Iun in; forces the cutters a .b apart, and retains them so by compressing the spring g on shaft f.

parts of the machine.

The stop Sis sometimes supported on bars, as described in various patents for folding-machines granted to me, and is moved and retained on said bars by case, I support it wholly by the screws et u.

The Shanks of these screws ruu lin projectionsfon themain frame,`as shown in lig. l. `They have each wheel, W orW, iig. ,3,on the outside.

The wheels `W W' are driven, respectively, by worms V V on vthe worm-shaft having the .wine

The cutters a b are secured in the rollers F F' byl l in iig. 4. By it the rollershafts are stih'ened, and the The screwj in the sliding cap R, opposite to the the shield, or that of the rollers relatively to other vm'eansbf twoscrews. Sometimes, as in the present' a collar on the inside of said projections., and a worm` manner, and their tapes are so arranged as to carry the inset and theoutset independently of each other.

The folding-knife N has two movements or throws for each revolution of the cam-shaft P, or for each whole sheet fed to the machine, said double throw b eing obtained from the double cam Q operating said knife by its arm N.

By timing the drop-roller so as to start the inset' in time to arrive at the second stop just half a revo-A lution of shaft P before the outset, the inset only will be folded by the rst descent of knife N and the outset coming up just half a revolution behind the inset is folded by the succeeding stroke of knife N, made bythe same revolution of they cam-shaft, whereby the inset and outset are folded separately and at equal yintervals of time from each other.

`The reciprocating plunger E in the packing-trough B has a motion back and forth, one throw each way for each revolution of the main shaft, said motion be- `ing obtained from an eccentric in the usual manner,

and being alike in both`directions.

The trough B, measuring from the intersection. of rollers K K', projects toward the front end of the machine to about one-half the length that it projects tof ward the rear end of the machine, s o that as many sheets of sixteen pages'can be packed in the rear end of the trough as the front end will hold sheets of eight `pages.

The motionl of plunger Eis so timed relatively to that of folding-knife N that the plunger is at the end vend of the trough.

paged signature, which allows that signature to drop into and be packed in the longer end of trough B, the,` plunger E pressing it against plunger O during its backward stroke.

'When plunger E moves toward O the eight-paged signature or inset drops in betweeu it and plunger D, and is packed against D by the return stroke of plungerE.

It is evident'thatif the movements of the droproller'be so timed as to bring the inset to the last stop at the same instant with the outset, they would be folded together and packed together in the long Having thus fully described my improvements,

What I claim, and desire -to secure by Letters Patent, is

-l. The folding-rollers F F having cutters a b attached, when made to slide endwise by means of screw X, yoke R, andspring g, for the purpose of adjusting the position of the cutters relatively to the sheet to be severed, as specified.

2. The folding-blade N, having two strokes imparted to it by the double cam at one revolution of the main shaft, and toa single stroke of the other folding-blades, as and for the purpose specified.

3. The reciprocating plunger,'in combination with two sliding plungers, O D, working in the double packing-box V B, as described, for the purpose of packing different signatures foldedby the same mechanism, either separately or together, as preferred.

The above specilication of mysaid invention signed and witnessed at Philadelphia this 20th day 'of May,

Y lCYRUS CHAMBERS, JR.

Witnesses:

.LHORWALD GHR. DAMBORG,

W. Psion DAvIs. 

